禁止形 => Negative imperative form N4
なくて済む/ないで済む => get by without doing ~ N2
[禁止「きんし」] => Don't do N4
Can, Should, Must
…のも無理 (は) ない => It's natural for... N3
Evaluate
のも無理もない => (to be) natural,(to be) understandable N3
Evaluate
むき => facing towards N3
Direction
に[難「むずか」]くない => It's not hard to A N1
Adjectival, Descriptions
むしろ => rather; instead N2
Compare
...はむりだ... => impossible N4
Description
込む => to be crowded N3
へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles
ずに済む => get by without doing ~ N2